Port FFS tools over from Building Block repository.

1 files changed, 166 insertions, 0 deletions

diff --git a/fcp/src/cmd_list.c b/fcp/src/cmd_list.c
new file mode 100644
index 0000000..069407a
--- /dev/null
+++ b/fcp/src/cmd_list.c
@@ -0,0 +1,166 @@
+/*
+ *   Copyright (c) International Business Machines Corp., 2012
+ *
+ *   This program is free software;  you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ *   the GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program;  if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ *    File: cmd_list.c
+ *  Author: Shaun Wetzstein <shaun@us.ibm.com>
+ *   Descr: list implementation
+ *    Date: 01/30/2013
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <fcntl.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <errno.h>
+#include <ctype.h>
+#include <regex.h>
+
+#include <clib/attribute.h>
+#include <clib/assert.h>
+#include <clib/list.h>
+#include <clib/list_iter.h>
+#include <clib/misc.h>
+#include <clib/min.h>
+#include <clib/err.h>
+#include <clib/raii.h>
+
+#include "misc.h"
+#include "main.h"
+
+static int list(args_t * args, off_t offset)
+{
+	assert(args != NULL);
+
+	char * type = args->dst_type;
+	char * target = args->dst_target;
+	char * name = args->dst_name;
+
+	RAII(FILE*, file, __fopen(type, target, "r", debug), fclose);
+	if (file == NULL)
+		return -1;
+	if (check_file(target, file, offset) < 0)
+		return -1;
+	RAII(ffs_t*, ffs, __ffs_fopen(file, offset), __ffs_fclose);
+	if (ffs == NULL)
+		return -1;
+
+	if (ffs->count <= 0)
+		return 0;
+
+	fprintf(stdout, "========================[ PARTITION TABLE"
+		" 0x%llx ]=======================\n", ffs->offset);
+	fprintf(stdout, "vers:%04x size:%04x * blk:%06x blk(s):"
+		"%06x * entsz:%06x ent(s):%06x\n",
+		ffs->hdr->version, ffs->hdr->size, ffs->hdr->block_size,
+		ffs->hdr->block_count, ffs->hdr->entry_size,
+		ffs->hdr->entry_count);
+	fprintf(stdout, "----------------------------------"
+	       "----------------------------------"
+	       "-------\n");
+
+	RAII(entry_list_t*, entry_list, entry_list_create_by_regex(ffs, name),
+	     entry_list_delete);
+	if (entry_list == NULL)
+		return -1;
+
+	list_iter_t it;
+	entry_node_t * entry_node;
+
+	list_iter_init(&it, &entry_list->list, LI_FLAG_FWD);
+	list_for_each(&it, entry_node, node) {
+		ffs_entry_t * entry = &entry_node->entry;
+		char full_name[page_size];
+
+		if (__ffs_entry_name(ffs, entry, full_name,
+				     sizeof full_name) < 0)
+			return -1;
+
+		size_t offset = entry->base * ffs->hdr->block_size;
+		size_t size = entry->size * ffs->hdr->block_size;
+
+		char type;
+		if (entry->type == FFS_TYPE_LOGICAL)
+			type ='l';
+		else if (entry->type == FFS_TYPE_DATA)
+			type ='d';
+		else if (entry->type == FFS_TYPE_PARTITION)
+			type ='p';
+		fprintf(stdout, "%3d [%08x-%08x] [%8x:%8x] ",
+			entry->id, offset, offset+size-1, size, entry->actual);
+
+		fprintf(stdout, "[%c%c%c%c%c%c] %s\n",
+			type, '-', '-', '-',
+			entry->flags & FFS_FLAGS_U_BOOT_ENV ? 'b' : '-',
+			entry->flags & FFS_FLAGS_PROTECTED ? 'p' : '-',
+			full_name);
+
+		if (args->verbose == f_VERBOSE) {
+			for (int i=0; i<FFS_USER_WORDS; i++) {
+				fprintf(stdout, "[%2d] %8x ", i,
+					entry->user.data[i]);
+				if ((i+1) % 4 == 0)
+					fprintf(stdout, "\n");
+			}
+		}
+	}
+	fprintf(stdout, "\n");
+
+	return 0;
+}
+
+int command_list(args_t * args)
+{
+	assert(args != NULL);
+
+	int rc = 0;
+
+	char * end = (char *)args->offset;
+	while (rc == 0 && end != NULL && *end != '\0') {
+		errno = 0;
+		off_t offset = strtoull(end, &end, 0);
+		if (end == NULL || errno != 0) {
+			UNEXPECTED("invalid --offset specified '%s'",
+				   args->offset);
+			return -1;
+		}
+
+		if (*end != ',' && *end != ':' && *end != '\0') {
+			UNEXPECTED("invalid --offset separator "
+				   "character '%c'", *end);
+			return -1;
+		}
+
+		rc = list(args, offset);
+		if (rc < 0)
+			break;
+
+		if (*end == '\0')
+			break;
+		end++;
+	}
+
+	return rc;
+}